Jesel Pro-Series Shaft Rockers - TFS Twisted Wedge
Designed for the brand new Trick Flow Specialties small block Ford Twisted Wedge cylinder heads with the rolled and rotated valve centerlines.
Walk through the pits of any professional racing event and you will be hard pressed not to find a JESEL Pro Series rocker arm system controlling the valvetrain. For over 30 years, championship winning racers in virtually every form of racing from NHRA Pro Stock to Sprint Cup rely on JESEL shaft rockers to get them into the winners circle. Used by top engine builders worldwide, JESEL rockers continue to set the standard by which all others are measured.
The excellent mechanical properties inherent to our custom blended aluminum alloy allows for the design of an extremely durable and lightweight valvetrain assembly. Tensile strength of our custom blended alloy at 300° far exceeds that of the less expensive, industry standard alloys. Low moment of inertia along with FEA designed bodies insures that lobe lift is not wasted due to rocker body deflection.
The Pro Series rocker systems are built and custom manufactured to your specifications. Anything from rocker ratio to adjuster offset to lightening options can be tailored to your specific needs. A shotpeened surface finish along with a profiled rocker tail and a clipped-pin nose roller are standard features found on the Pro Series kits. Even the rocker stands can be custom ordered if needed to compensate for longer than stock valve lengths.
CUSTOM BUILT TO YOUR SPECIFICATIONS
Standard Shotpeen Surface Finish
Induces an even, compressive stress layer in the surface of the rocker body. Increases the resistance to fatigue failures. Adds compression strength and stress relieves rocker body.
Optional Needle Roller
Recommended for use with high lift, high spring pressure applications. Prevents the roller from stalling and skidding across the valve tip. Highly recommended when using .312" or smaller valve stems.
Optional Ball Adjuster
Has less friction than cup type adjusters. Makes rocker arm stronger by increasing the adjuster thread area and eliminates counterbore area.
Optional ARP Shaft and Stand Bolts
Manufactured from ARP 2000 material, these bolts can be torqued to 35 ft lbs and are recommended for spring pressures exceeding 800 lbs. open.
* SPECIFY ROCKER RATIO PREFERRED *
PART NUMBER: JSL-KPS-21595
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